/**
* Renders the values as a json object.
*
* @return string
*/
public function render()
{
$options = 0;
$options |= $this->prettyPrint ? JSON_PRETTY_PRINT : 0;
if ($this->hasErrors()) {
$json = json_encode(['errors' => $this->getErrorStack()], $options);
} else {
$json = json_encode($this->values, $options);
}
if (json_last_error() !== JSON_ERROR_NONE) {
$errorStack = new ErrorStack();
$errorStack->addError('Invalid JSON');
$json = json_encode(['errors' => $errorStack->getErrors()], $options);
}
return $json;
}
/**
* @param string $message
* @param int $code
*
* @return Result
*/
public function addError($message, $code = null)
{
$this->errorStack->addError($message, $code);
return $this;
}
/**
* @param string $message
* @param int $code
*
* @return Controller
*/
protected function addError($message, $code = null)
{
$this->errorStack->addError($message, $code);
}
